220212010748077 has 2 divisors, whose sum is σ = 220212010748078. Its totient is φ = 220212010748076.

The previous prime is 220212010748011. The next prime is 220212010748099. The reversal of 220212010748077 is 770847010212022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210302522279721 + 9909488468356 = 14501811^2 + 3147934^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212010748077 - 2⁴³ = 211415917725869 is a prime.

It is a super-2 number, since 2×220212010748077² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220212010749077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106005374038 + 110106005374039.

It is an arithmetic number, because the mean of its divisors is an integer number (110106005374039).

Almost surely, 2^{220212010748077} is an apocalyptic number.

It is an amenable number.

220212010748077 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212010748077 is an equidigital number, since it uses as much as digits as its factorization.

220212010748077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175616, while the sum is 43.

The spelling of 220212010748077 in words is "two hundred twenty trillion, two hundred twelve billion, ten million, seven hundred forty-eight thousand, seventy-seven".